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Quelle commande permet de créer une contrainte de vérification sur une colonne d...

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Quelle commande permet de créer une contrainte de vérification sur une colonne d'une table existante ?

`ALTER TABLE table_name ADD CONSTRAINT constraint_name CHECK (condition);`

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`ALTER TABLE table_name ADD VERIFY (condition);`

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`ALTER TABLE table_name ADD VALIDATE (condition);`

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`ALTER TABLE table_name ADD CONSTRAINT (condition);`

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